The CyberKnife robotic radiosurgery system (Accuray Incorporated, Sunnyvale, CA) an advanced platform to deliver SBRT, provides a therapeutic solution to this problem by continuously tracking the tumor during treatment while it accounts for organ motion due to respiratory movement, using the Synchrony respiratory tracking system (Accuray Incorporated, Sunnyvale, CA). Utilizing continuous tumor tracking, margin expansion to account for motion uncertainty can be reduced, having the potential to make this a safe and effective treatment. The frameless nature of the CyberKnife and its continuous image guidance system eliminates the need of motion-restriction techniques increasing the comfort and availability of the treatment to patients.